/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.camel.processor.jpa;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.camel.CamelContext;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.examples.SendEmail;
import org.apache.camel.spring.SpringCamelContext;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.orm.jpa.JpaTemplate;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallback;
import org.springframework.transaction.support.TransactionTemplate;
/**
* @version
*/
public class JpaTXRollbackTest extends CamelTestSupport {
protected static final String SELECT_ALL_STRING = "select x from " + SendEmail.class.getName() + " x";
private static AtomicInteger foo = new AtomicInteger();
private static AtomicInteger bar = new AtomicInteger();
protected ApplicationContext applicationContext;
protected JpaTemplate jpaTemplate;
@Test
public void testTXRollback() throws Exception {
// first create three records
template.sendBody("jpa://" + SendEmail.class.getName(), new SendEmail("foo@beer.org"));
template.sendBody("jpa://" + SendEmail.class.getName(), new SendEmail("bar@beer.org"));
template.sendBody("jpa://" + SendEmail.class.getName(), new SendEmail("kaboom@beer.org"));
// should rollback the entire
MockEndpoint mock = getMockEndpoint("mock:result");
// we should retry and try again
mock.expectedMinimumMessageCount(4);
// start route
context.startRoute("foo");
assertMockEndpointsSatisfied();
assertTrue("Should be >= 2, was: " + foo.intValue(), foo.intValue() >= 2);
assertTrue("Should be >= 2, was: " + bar.intValue(), bar.intValue() >= 2);
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
from("jpa://" + SendEmail.class.getName() + "?consumer.transacted=true&delay=1000").routeId("foo").noAutoStartup()
.process(new Processor() {
@Override
public void process(Exchange exchange) throws Exception {
SendEmail send = exchange.getIn().getBody(SendEmail.class);
if ("kaboom@beer.org".equals(send.getAddress())) {
throw new IllegalArgumentException("Forced");
}
if ("foo@beer.org".equals(send.getAddress())) {
foo.incrementAndGet();
} else if ("bar@beer.org".equals(send.getAddress())) {
bar.incrementAndGet();
}
}
})
.to("mock:result");
}
};
}
@Override
protected CamelContext createCamelContext() throws Exception {
applicationContext = new ClassPathXmlApplicationContext("org/apache/camel/processor/jpa/springJpaRouteTest.xml");
cleanupRepository();
return SpringCamelContext.springCamelContext(applicationContext);
}
protected void cleanupRepository() {
jpaTemplate = applicationContext.getBean("jpaTemplate", JpaTemplate.class);
TransactionTemplate transactionTemplate = new TransactionTemplate();
transactionTemplate.setTransactionManager(new JpaTransactionManager(jpaTemplate.getEntityManagerFactory()));
transactionTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
transactionTemplate.execute(new TransactionCallback<Object>() {
public Object doInTransaction(TransactionStatus arg0) {
List<?> list = jpaTemplate.find(SELECT_ALL_STRING);
for (Object item : list) {
jpaTemplate.remove(item);
}
jpaTemplate.flush();
return Boolean.TRUE;
}
});
}
}